Enzymes Work to Speed Up a Chemical Reaction By

question 43

Multiple Choice

Enzymes work to speed up a chemical reaction by:

• A)supplying the energy needed for the reaction.
• B)increasing the activation energy of the reaction.
• C)lowering the activation energy of the reaction.
• D)attaching coenzymes to the substrate.
• E)heating up the substrate.

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Definitions:

Activation

The process in psychology and physiology by which something is prepared or excited into action or increased activity, such as the activation of certain brain regions in response to stimuli.

Hans Selye

A pioneering Hungarian-Canadian endocrinologist known for his research on the stress response and the development of the general adaptation syndrome (GAS) theory.

Epinephrine Levels

The concentration of epinephrine, also known as adrenaline, in the body which can increase in response to stress or fear, enhancing alertness and physical readiness.

Stress

The body's response to any demand or challenge, which can be triggered by both positive and negative experiences and can affect mental and physical health.